Lane, George. <br/><br/>
Akıl oyunları :  zihinsel aritmetik taktikler / 
George Lane ; translated by Verda Alpan. 
 - İstanbul :  Doruk Yayınları,  2011. 
 - 226 p. ;  21 cm. 
<br/><br/> Original titile : Mind Games: Amazing mental arithmetic made easy. 
<br/><br/><label>ISBN: </label>9789755535074 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental arithmetic
<br/><br/><label>LC Class. No.: </label>QA103